fix: portal error, close #6880 #6837 #6807

Author: tangjinzhou

components/_util/Portal.tsx

@@ -1,13 +1,5 @@
 import PropTypes from './vue-types';
-import {
-  defineComponent,
-  nextTick,
-  onBeforeMount,
-  onBeforeUnmount,
-  onUpdated,
-  Teleport,
-  watch,
-} from 'vue';
+import { defineComponent, nextTick, onBeforeMount, onUpdated, Teleport, watch } from 'vue';
 import { useInjectPortal } from '../vc-trigger/context';
 
 export default defineComponent({
@@ -44,11 +36,11 @@ export default defineComponent({
         }
       });
     });
-    onBeforeUnmount(() => {
-      if (container && container.parentNode) {
-        container.parentNode.removeChild(container);
-      }
-    });
+    // onBeforeUnmount(() => {
+    //   if (container && container.parentNode) {
+    //     container.parentNode.removeChild(container);
+    //   }
+    // });
     return () => {
       if (!shouldRender.value) return null;
       if (isSSR) {

components/_util/PortalWrapper.tsx

@@ -61,11 +61,13 @@ export default defineComponent({
     const container = shallowRef<HTMLElement>();
     const componentRef = shallowRef();
     const rafId = shallowRef<number>();
-
+    const defaultContainer = canUseDom() && document.createElement('div');
     const removeCurrentContainer = () => {
       // Portal will remove from `parentNode`.
       // Let's handle this again to avoid refactor issue.
-      container.value?.parentNode?.removeChild(container.value);
+      if (container.value === defaultContainer) {
+        container.value?.parentNode?.removeChild(container.value);
+      }
       container.value = null;
     };
     let parent: HTMLElement = null;
@@ -82,8 +84,6 @@ export default defineComponent({
 
       return true;
     };
-    // attachToParent();
-    const defaultContainer = canUseDom() && document.createElement('div');
     const getContainer = () => {
       if (!supportDom) {
         return null;